Overwintering guide
How to overwinter black cardamom
Winter watering
Water only occasionally — enough that the rootball never dries out completely, no more. No feeding until spring growth begins.
The mistake that kills black cardamom in winter
Bringing black cardamom into a warm living room. Too much winter warmth forces weak, pale growth that collapses when it goes back outside — cool and bright beats warm and dim.
More black cardamom care
Overwintering black cardamom — FAQ
Does black cardamom need to come indoors for winter?
Black Cardamom is hardy to roughly USDA zone 9 — winter lows around -7°C. That means it takes cool conditions but not a real freeze. Black Cardamom will take cool conditions but not a hard freeze, so the aim is a frost-free winter rather than a warm one. An unheated greenhouse, porch, conservatory or bright garage all work well. Keep it cool, bright and on the dry side, and it will hold steady until growth restarts in spring.
When should I move black cardamom for winter?
Move under cover before the first hard frost; back outside after the last spring frost.
How often should I water black cardamom in winter?
Water only occasionally — enough that the rootball never dries out completely, no more. No feeding until spring growth begins.
What kills black cardamom over winter?
Bringing black cardamom into a warm living room. Too much winter warmth forces weak, pale growth that collapses when it goes back outside — cool and bright beats warm and dim.